(7) अलग-अलग फूलों में से (2) फूल चुनने के कितने तरीके हैं?
How many ways are there to choose (2) flowers from (7) different flowers?
Explanation opens after your attempt
B. (21)
Concept
It is \(\binom{7}{2}=\frac{7\cdot6}{2}=21\). Such questions form pairs of objects.
Why this answer is correct
The correct answer is B. (21). It is \(\binom{7}{2}=\frac{7\cdot6}{2}=21\). Such questions form pairs of objects.
Exam Tip
यह \(\binom{7}{2}=\frac{7\cdot6}{2}=21\) है। ऐसे प्रश्नों में वस्तुओं की जोड़ी बनती है।
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